JP2006329908A - Rubber peel detecting method and its device - Google Patents

Rubber peel detecting method and its device Download PDF

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JP2006329908A
JP2006329908A JP2005156690A JP2005156690A JP2006329908A JP 2006329908 A JP2006329908 A JP 2006329908A JP 2005156690 A JP2005156690 A JP 2005156690A JP 2005156690 A JP2005156690 A JP 2005156690A JP 2006329908 A JP2006329908 A JP 2006329908A
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insulation member
rubber
laser
peeling
light
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JP4841174B2 (en
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Hiroshi Sato
佐藤　　寛
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Bridgestone Corp
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Bridgestone Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a method capable of accurately detecting even rubber peel of one wire level, and a rubber peel detecting device. <P>SOLUTION: Laser beams 11a and 11b are radiated to an insulation member 1 by projector of the laser sensors 11A and 11B integrally having the projector and a light receiver from an oblique direction of the insulation member 1 to be conveyed. While a supporting stand 12 for supporting the laser sensors 11A and 11B with an air cylinder 14 is moved in the width direction of the insulation member 1, reflected lights 11c and 11d from the insulation member 1 are detected by the light receivers of the laser sensors 11A and 11B, and the rubber peel of the insulation member 1 is detected from the detected reflected lights 11c and 11d. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、複数本のワイヤをゴムで被覆して成るインシュレーション部材のゴム剥げを検出する方法とそのに関するものである。   The present invention relates to a method for detecting rubber peeling of an insulation member formed by coating a plurality of wires with rubber, and to the method.

タイヤに使用される、スチールコードなどのワイヤの両面に薄いゴム層を被覆して成るインシュレーション部材は、例えば、図３に示すような、カレンダー装置２０を用いて製造される。具体的には、シート処理したワイヤ２を、カレンダーロール２１間を通過させるとともに、上記カレンダーロール２１に図示しないゴム材料を供給することにより、上記ワイヤ２の両面にゴム３がコーティングされた帯状のインシュレーション部材１を得ることができる。なお、この方法では、カレンダーロール２１の圧延荷重により、ワイヤ２へのゴム３の被覆と、ゴム３との接着とを同時に行うことができる。
上記インシュレーション部材１は、その後、ゴム剥げ（ワイヤ露出）検査を経て、切断工程等の後工程に送られ、プライ、ベルトなどに加工される。 An insulation member used for a tire, which is formed by coating a thin rubber layer on both surfaces of a wire such as a steel cord, is manufactured using, for example, a calendar device 20 as shown in FIG. Specifically, the sheet-treated wire 2 is passed between the calender rolls 21 and a rubber material (not shown) is supplied to the calender roll 21 to thereby form a belt-like shape in which rubber 3 is coated on both surfaces of the wire 2. The insulation member 1 can be obtained. In this method, the coating of the rubber 3 on the wire 2 and the adhesion to the rubber 3 can be performed simultaneously by the rolling load of the calendar roll 21.
The insulation member 1 is then subjected to a rubber peeling (wire exposure) inspection and then sent to a subsequent process such as a cutting process to be processed into a ply or a belt.

図４は、ゴム剥げ検出方法の一例を示す図で、インシュレーション部材１のワイヤ２の軸と垂直をなす上方に投光器と受光器とが一体となったレーザセンサ５０（例えば、特許文献1参照）を設置して上記インシュレーション部材１表面にレーザー光５１を照射し、上記インシュレーション部材１表面で反射された反射光５２を受光してその強度を測定する。インシュレーション部材１にゴム剥げ部（ワイヤ２の露出部分）Ｘがあった場合には、上記反射光の強度はゴム３のみで反射された場合に比較して大きくなるので、上記反射光の反射光量差からインシュレーション部材１のゴム剥げを検出することができる。
特開平１０−５８５４３号公報 FIG. 4 is a diagram showing an example of a rubber peeling detection method. A laser sensor 50 in which a projector and a light receiver are integrated with each other above the axis of the wire 2 of the insulation member 1 (see, for example, Patent Document 1). ) To irradiate the surface of the insulation member 1 with laser light 51, receive the reflected light 52 reflected from the surface of the insulation member 1, and measure its intensity. When the insulation member 1 has a rubber peeled portion (exposed portion of the wire 2) X, the intensity of the reflected light is larger than that when only the rubber 3 is reflected, so that the reflected light is reflected. The rubber peeling of the insulation member 1 can be detected from the light amount difference.
JP-A-10-58543

しかしながら、上記従来の方法では、レーザセンサ５０がワイヤ２の軸と垂直をなす上方に設置されているため、ゴム剥げ部Ｘに照射されるレーザ光の照射面積が少ない。そのため、レーザ光５１がゴム剥げ部Ｘで反射されてもゴム３のみの場合の反射光５２との光量差が小さいことから、１０ｍｍ幅以上の大きなゴム剥げでないと検出することができないといった問題点があった。   However, in the above conventional method, since the laser sensor 50 is installed above the axis perpendicular to the axis of the wire 2, the irradiation area of the laser beam applied to the rubber peeling portion X is small. Therefore, even if the laser beam 51 is reflected by the rubber stripping portion X, the difference in the amount of light from the reflected light 52 in the case of only the rubber 3 is small, so that it cannot be detected unless the rubber stripping is 10 mm wide or larger. was there.

本発明は、上記従来の問題点に鑑みてなされたもので、ワイヤ１本レベルのゴム剥げであっても精度よく検出することのできる方法とゴム剥げ検出装置を提供することを目的とする。   The present invention has been made in view of the above-described conventional problems, and an object of the present invention is to provide a method and a rubber peeling detection device that can accurately detect even a single-wire level rubber peeling.

本発明者らは、インシュレーション部材のゴム剥げは、スポット的にできるのではなく、図４に模式的に示すように、流れの方向であるワイヤの延長方向に連続的に生じることに注目し、レーザ光をワイヤの延長方向に対して斜め方向から照射することにより、露出したワイヤからの反射光量が大きくなることを見出し、本発明に到ったものである。
すなわち、本発明の請求項１に記載の発明は、複数本のワイヤをゴムで被覆して成るインシュレーション部材の表面にレーザ光を照射し、その反射光量から上記インシュレーション部材のゴム剥げを検出する方法であって、上記レーザ光を、搬送されるインシュレーション部材表面に対して斜め方向から照射するようにしたことを特徴とするものである。 The inventors of the present invention have noted that the rubber stripping of the insulation member does not occur in a spot manner, but occurs continuously in the extension direction of the wire, which is the flow direction, as schematically shown in FIG. The present inventors have found that the amount of reflected light from an exposed wire is increased by irradiating laser light from an oblique direction with respect to the extending direction of the wire.
That is, according to the first aspect of the present invention, the surface of the insulation member formed by coating a plurality of wires with rubber is irradiated with laser light, and the rubber peeling of the insulation member is detected from the amount of reflected light. The laser beam is irradiated from the oblique direction to the surface of the insulation member to be conveyed.

請求項２に記載の発明は、請求項１に記載のゴム剥げ検出方法において、上記レーザ光を、上記インシュレーション部材の幅方向に走査するようにしたものである。
請求項３に記載の発明は、請求項１または請求項２に記載のゴム剥げ検出方法において、上記レーザ光を、搬送されるインシュレーション部材の斜め上方と斜め下方とから照射するようにしたものである。 According to a second aspect of the present invention, in the rubber peeling detection method according to the first aspect, the laser beam is scanned in the width direction of the insulation member.
According to a third aspect of the present invention, in the rubber peeling detection method according to the first or second aspect, the laser beam is irradiated from diagonally above and diagonally below the insulation member being conveyed. It is.

また、請求項４に記載の発明は、複数本のワイヤをゴムで被覆して成るインシュレーション部材のゴム剥げを検出する装置であって、上記インシュレーション部材の表面に斜め方向からレーザ光を照射するレーザ照射手段と、上記照射されたレーザ光の反射光を検出する反射光検出手段と、上記検出されたレーザ光の反射光量から上記インシュレーション部材のゴム剥げを検出する手段と、上記レーザセンサを上記インシュレーション部材の幅方向に移動させる手段とを備え、インシュレーション部材を搬送しながら、上記インシュレーション部材のゴム剥げを検出するものである。   According to a fourth aspect of the present invention, there is provided an apparatus for detecting rubber peeling of an insulation member formed by coating a plurality of wires with rubber, and irradiating the surface of the insulation member with a laser beam from an oblique direction. Laser irradiating means, reflected light detecting means for detecting reflected light of the irradiated laser light, means for detecting rubber peeling of the insulation member from the amount of reflected light of the detected laser light, and the laser sensor Means for moving the insulation member in the width direction of the insulation member, and detecting rubber peeling of the insulation member while conveying the insulation member.

本発明によれば、インシュレーション部材の表面にレーザ光を照射し、その反射光量から上記インシュレーション部材のゴム剥げを検出する際に、上記レーザ光を搬送されるインシュレーション部材表面に対して斜め方向からレーザ光を照射するようにしたので、レーザ反射光量を大きくでき、ゴム剥げ（ワイヤ露出）を精度良く検出することができる。
また、レーザ光をインシュレーション部材の幅方向に走査するようにしたので、例えば、４０ｍｍ幅のインシュレーション部材のような幅広の部材であっても、ゴム剥げを精度良く検出することができる。
更に、上記レーザ光を、インシュレーション部材の斜め上方と斜め下方とから照射して表裏を同時に測定できるようにしたので、検出効率を向上させることができる。 According to the present invention, when the surface of the insulation member is irradiated with laser light, and the rubber peeling of the insulation member is detected from the amount of reflected light, the surface of the insulation member conveyed with the laser light is oblique. Since the laser beam is irradiated from the direction, the amount of reflected laser beam can be increased, and the rubber peeling (wire exposure) can be detected with high accuracy.
Further, since the laser beam is scanned in the width direction of the insulation member, for example, even a wide member such as an insulation member having a width of 40 mm can accurately detect rubber peeling.
Furthermore, the laser beam is irradiated from obliquely above and obliquely below the insulation member so that the front and back can be measured simultaneously, so that the detection efficiency can be improved.

以下、本発明の最良の形態について、図面に基づき説明する。
図１は、本最良の形態に係るゴム剥げ検出装置１０の概略構成を示す図で、本例では、図示しない搬送手段により紙面と垂直方向に搬送される、ワイヤ２の両面にゴム層３を被覆して成る幅が約４０ｍｍのインシュレーション部材１のゴム剥げを検出する。
同図において、１１Ａ，１１Ｂは断面がコの字型の支持体１２の水平片１２ａ，１２ｂにそれぞれ取付けられ、上記インシュレーション部材１の表面に斜め上方及び下方からレーザ光１１ａ，１１ｂを照射する投光器と上記照射されたレーザ光（入射光）１１ａ，１１ｂの反射光１１ｃ，１１ｄを検出する受光器とが一体となったレーザセンサ、１３は上記レーザセンサ１１Ａ，１１Ｂの各受光器で検出された上記反射光１１ｃ，１１ｄの反射光量から上記インシュレーション部材１のゴム剥げを検出するゴム剥げ検出手段、１４は架台１５上に設置され、上記レーザセンサ１１Ａ，１１Ｂを上記インシュレーション部材１の幅方向に移動させるための移動手段であるエアシリンダで、このエアシリンダ１４のシリンダロッド１４ｊが上記支持体１２の垂直片１２ｃに連結されている。
なお、上記レーザセンサ１１Ａ，１１Ｂの取付け角度θ（レーザ光１１ａ，１１ｂのインシュレーション部材１０への入射角）としては、上記入射角θが３０°よりも小さいと反射光量が十分でなく、また、上記入射角θが６０°を超えると、反射光の検出が困難となるので、θ＝３０°〜６０°とすることが好ましく、θ＝４５°とすれば特に好ましい。 Hereinafter, the best mode of the present invention will be described with reference to the drawings.
FIG. 1 is a diagram showing a schematic configuration of a rubber peeling detection device 10 according to the best mode. In this example, rubber layers 3 are conveyed on both surfaces of a wire 2 which is conveyed in a direction perpendicular to the paper surface by a conveying means (not shown). The rubber peeling of the insulation member 1 having a width of about 40 mm formed by coating is detected.
In the figure, 11A and 11B are respectively attached to horizontal pieces 12a and 12b of a support 12 having a U-shaped cross section, and irradiate the surface of the insulation member 1 with laser beams 11a and 11b obliquely from above and below. A laser sensor in which a projector and a light receiver for detecting the reflected lights 11c and 11d of the irradiated laser lights (incident light) 11a and 11b are integrated, and 13 is detected by each light receiver of the laser sensors 11A and 11B. Further, a rubber peeling detecting means 14 for detecting rubber peeling of the insulation member 1 based on the reflected light amounts of the reflected lights 11c and 11d is installed on the mount 15, and the laser sensors 11A and 11B are connected to the width of the insulation member 1. An air cylinder which is a moving means for moving in the direction, the cylinder rod 14j of the air cylinder 14 is It is connected to the vertical piece 12c of the body 12.
As the mounting angle θ of the laser sensors 11A and 11B (incident angle of the laser beams 11a and 11b to the insulation member 10), if the incident angle θ is smaller than 30 °, the amount of reflected light is not sufficient. When the incident angle θ exceeds 60 °, it is difficult to detect reflected light. Therefore, θ = 30 ° to 60 ° is preferable, and θ = 45 ° is particularly preferable.

次に、ゴム剥げの検出方法について説明する。
まず、搬送されるインシュレーション部材１の側部に架台１５を設置し、支持体１２に取付けられたレーザセンサ１１Ａ，１１Ｂのほぼ中間部をインシュレーション部材１が通過するように、上記架台１５上にエアシリンダ１４を設置する。そして、インシュレーション部材１を搬送させながら、上記エアシリンダ１４を駆動して、上記支持台１２を上記インシュレーション部材１の幅方向に往復運動させる。これにより、図２（ａ）に示すように、上記レーザセンサ１１ａ（または、レーザセンサ１１ｂ）の投光器からレーザ光１１ａ（または、レーザ光１１ｂ）を、インシュレーション部材１の搬送速度とシリンダロッド１４ｊの移動速度とによって決まる角度で、上記インシュレーション部材１上を幅方向に往復させながら走査することができる。
上記インシュレーション部材１の表面で反射されたレーザ光（反射光１１ｃ，１１ｄ）は、それぞれ上記レーザセンサ１１Ａ，１１Ｂの各受光器で検出され、ゴム剥げ検出手段１３において、ゴム２からの反射光量に相当する所定の閾値と比較される。上記ゴム剥げ検出手段１３は、上記反射光量が上記閾値を超えた場合にはゴム剥げがあると判定する。
本例では、上記レーザ光１１ａ（または、レーザ光１１ｂ）は、図２（ｂ）に示すように、上記インシュレーション部材１の表面に対して斜め方向から照射されるので、レーザ光１１ａ（レーザ光１１ｂ）が照射されるゴム剥げ部Ｘの長さ長くなる。したがって、上記ゴム剥げ部Ｘからの反射光１１ｃ（または、反射光１１ｄ）の光量を大きくでき、ワイヤ１本レベルの幅の狭いゴム剥げ（ワイヤ露出）であってもこれを精度良く検出することができる。
また、図２（ａ）に示すように、ゴム剥げ部Ｘは上記インシュレーション部材１の搬送方向に連続しているので、レーザ光１１ａ（レーザ光１１ｂ）をインシュレーション部材１の幅方向に往復させても、ゴム剥げ部Ｘを確実に検出することができる。 Next, a method for detecting rubber peeling will be described.
First, the pedestal 15 is installed on the side of the insulation member 1 to be transported, and the above-mentioned pedestal 15 is placed so that the insulation member 1 passes through almost the middle part of the laser sensors 11A and 11B attached to the support 12. The air cylinder 14 is installed in Then, the air cylinder 14 is driven while the insulation member 1 is conveyed, and the support 12 is reciprocated in the width direction of the insulation member 1. As a result, as shown in FIG. 2A, the laser light 11a (or laser light 11b) is sent from the projector of the laser sensor 11a (or laser sensor 11b) to the conveying speed of the insulation member 1 and the cylinder rod 14j. It is possible to scan while reciprocating in the width direction on the insulation member 1 at an angle determined by the moving speed.
Laser light (reflected light 11c, 11d) reflected by the surface of the insulation member 1 is detected by the respective light receivers of the laser sensors 11A, 11B, and the amount of light reflected from the rubber 2 is detected by the rubber peeling detection means 13. Is compared with a predetermined threshold value corresponding to. The rubber peeling detection means 13 determines that there is rubber peeling when the amount of reflected light exceeds the threshold value.
In this example, the laser beam 11a (or laser beam 11b) is irradiated from the oblique direction to the surface of the insulation member 1 as shown in FIG. The length of the rubber stripped portion X irradiated with the light 11b) becomes longer. Therefore, the amount of the reflected light 11c (or reflected light 11d) from the rubber stripping portion X can be increased, and even a rubber strip (wire exposure) with a narrow width of one wire can be detected with high accuracy. Can do.
Further, as shown in FIG. 2A, since the rubber peeling portion X is continuous in the conveyance direction of the insulation member 1, the laser beam 11a (laser beam 11b) is reciprocated in the width direction of the insulation member 1. Even if it makes it, it can detect the rubber peeling part X reliably.

このように、本最良の形態によれば、搬送されるインシュレーション部材１の斜め方向から、投光器と受光器とが一体となったレーザセンサ１１Ａ，１１Ｂの投光器により、上記インシュレーション部材１にレーザ光１１ａ，１１ｂを照射するとともに、エアシリンダ１４により上記レーザセンサ１１Ａ，１１Ｂを支持する支持台１２を上記インシュレーション部材１の幅方向に移動させながら、上記インシュレーション部材１からの反射光１１ｃ，１１ｄを上記レーザセンサ１１Ａ，１１Ｂの受光器で検出し、この検出された反射光１１ｃ，１１ｄから上記インシュレーション部材１のゴム剥げを検出するようにしたので、露出されたワイヤ１１に照射されるレーザ光１１ａ，１１ｂの照射面積が増加してゴム剥げ部Ｘからの反射光量差を大きくすることができる。したがって、ゴム剥げの検出精度を大幅に向上させることができる。
また、レーザ光１１ａ，１１ｂをインシュレーション部材１の幅方向に往復させるようにしたので、幅広の部材であっても、ゴム剥げを確実に検出することができる。 Thus, according to this best mode, the laser beam is projected onto the insulation member 1 from the oblique direction of the insulation member 1 being conveyed by the light projectors of the laser sensors 11A and 11B in which the light projector and the light receiver are integrated. While irradiating light 11a, 11b and moving the support base 12 supporting the laser sensors 11A, 11B in the width direction of the insulation member 1 by the air cylinder 14, the reflected light 11c, 11d is detected by the light receivers of the laser sensors 11A, 11B, and the rubber peeling of the insulation member 1 is detected from the detected reflected lights 11c, 11d, so that the exposed wire 11 is irradiated. The irradiation area of the laser beams 11a and 11b increases, and the reflected light amount difference from the rubber stripped portion X is reduced. It is possible to hear. Therefore, it is possible to greatly improve the detection accuracy of rubber peeling.
Further, since the laser beams 11a and 11b are reciprocated in the width direction of the insulation member 1, it is possible to reliably detect rubber peeling even with a wide member.

なお、上記最良の形態では、インシュレーション部材１の表面と裏面のゴム剥げを同時に検出したが、これに限るものではなく、インシュレーション部材１の搬送方法などによっては、片方ずつ行ってもよい。
また、上記例では、レーザセンサ１１Ａ，１１Ｂを幅方向に連続的に往復させながら走査することにより、インシュレーション部材１の全表面を検査した例を示したが、上記レーザセンサ１１Ａ，１１Ｂを幅方向に断続的に移動させたり、レーザセンサ１１Ａ，１１Ｂを移動させず、代わりに、上記ゴム剥げ検出装置１０を複数台設置したりすることにより、更に短いゴム剥げを検出することが可能となる。 In the above-described best mode, the rubber peeling on the front surface and the back surface of the insulation member 1 is detected at the same time. However, the present invention is not limited to this.
In the above example, the entire surface of the insulation member 1 is inspected by scanning the laser sensors 11A and 11B while continuously reciprocating in the width direction. However, the laser sensors 11A and 11B are By moving the rubber sensor 11A, 11B intermittently in the direction or by installing a plurality of the rubber peeling detectors 10 instead, it becomes possible to detect even shorter rubber peeling. .

径が０．８ｍｍのワイヤ２０本をゴムで被覆した幅４０ｍｍのインシュレーション部材を搬送しながら、上記インシュレーション部材の上方及び下方から、レーザ光を照射して上記インシュレーション部材のワイヤ剥げを検出した。なお、レーザセンサの取付け角度は４５°とし、シリンダーストロークを７５ｍｍとした。
その結果、ワイヤ１本レベルの幅の狭いゴム剥げを１００％検出することができた。 Detecting wire peeling of the insulation member by irradiating a laser beam from above and below the insulation member while conveying an insulation member having a width of 20 mm, in which 20 wires having a diameter of 0.8 mm are covered with rubber. did. The mounting angle of the laser sensor was 45 ° and the cylinder stroke was 75 mm.
As a result, it was possible to detect 100% of a narrow rubber strip with a single wire level.

本発明によれば、幅広なインシュレーション部材でも、ゴム剥げを精度良く検出することができるので、インシュレーション部材ゴム剥げ検査を精度よく、かつ、効率的に行うことができる。   According to the present invention, even with a wide insulation member, it is possible to accurately detect the rubber peeling, so that the insulation member rubber peeling inspection can be accurately and efficiently performed.

本発明の最良の形態に係るゴム剥げ検出装置の概略構成を示す図である。It is a figure which shows schematic structure of the rubber | gum peeling detection apparatus which concerns on the best form of this invention. 本最良の形態に係るゴム剥げ検出方法を示す示す図である。It is a figure which shows the rubber peeling detection method which concerns on this best form. インシュレーション部材の作製方法の一例を示す図である。It is a figure which shows an example of the manufacturing method of an insulation member. 従来のゴム剥げ検出方法を示す図である。It is a figure which shows the conventional rubber peeling detection method.

符号の説明Explanation of symbols

１ インシュレーション部材、２ ワイヤ、３ ゴム、
１０ ゴム剥げ検出装置、１１Ａ，１１Ｂ レーザセンサ、１１ａ，１１ｂ レーザ光、１１ｃ，１１ｄ 反射光、１２ 支持体、１３ ゴム剥げ検出手段、
１４ エアシリンダ、１５ 架台、
Ｘ ゴム剥げ部。 1 insulation member, 2 wire, 3 rubber,
DESCRIPTION OF SYMBOLS 10 Rubber | gum peeling detection apparatus, 11A, 11B Laser sensor, 11a, 11b Laser light, 11c, 11d Reflected light, 12 Support body, 13 Rubber | gum peeling detection means,
14 air cylinders, 15 mounts,
X Rubber strip.

Claims (4)

複数本のワイヤをゴムで被覆して成るインシュレーション部材の表面にレーザ光を照射し、その反射光量から上記インシュレーション部材のゴム剥げを検出する方法であって、上記レーザ光を、搬送されるインシュレーション部材表面に対して斜め方向から照射するようにしたことを特徴とするゴム剥げ検出方法。   A method of irradiating the surface of an insulation member formed by coating a plurality of wires with rubber with a laser beam and detecting peeling of the rubber of the insulation member from the amount of reflected light. The laser beam is conveyed A rubber peeling detection method characterized by irradiating the surface of an insulation member from an oblique direction. 上記レーザ光を、上記インシュレーション部材の幅方向に走査するようにしたことを特徴とする請求項１に記載のゴム剥げ検出方法。   2. The rubber peeling detection method according to claim 1, wherein the laser beam is scanned in the width direction of the insulation member. 上記レーザ光を、搬送されるインシュレーション部材の斜め上方と斜め下方とから照射するようにしたことを特徴とする請求項１または請求項２に記載のゴム剥げ検出方法。   The rubber peeling detection method according to claim 1 or 2, wherein the laser beam is irradiated from diagonally above and diagonally below the insulation member to be conveyed. 複数本のワイヤをゴムで被覆して成るインシュレーション部材の表面に斜め方向からレーザ光を照射するレーザ照射手段と、上記照射されたレーザ光の反射光を検出する反射光検出手段と、上記検出されたレーザ光の反射光量から上記インシュレーション部材のゴム剥げを検出する手段と、上記レーザセンサを上記インシュレーション部材の幅方向に移動させる手段とを備えたことを特徴とするゴム剥げ検出装置。
Laser irradiation means for irradiating the surface of an insulation member formed by coating a plurality of wires with rubber from an oblique direction, reflected light detection means for detecting reflected light of the irradiated laser light, and the detection A rubber peeling detecting device comprising: means for detecting rubber peeling of the insulation member from the amount of reflected laser light; and means for moving the laser sensor in the width direction of the insulation member.
JP2005156690A 2005-05-30 2005-05-30 Rubber peeling detection device Expired - Fee Related JP4841174B2 (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5879240A (en) * 1981-11-06 1983-05-13 Nippon Kogaku Kk <Nikon> Foreign matter detector
JPS5982270A (en) * 1982-11-02 1984-05-12 Hitachi Cable Ltd Device for detecting stored wire amount
JPH04341835A (en) * 1991-05-17 1992-11-27 Bridgestone Corp Skiving apparatus for reclaimed tire
JPH05196581A (en) * 1992-01-20 1993-08-06 Nkk Corp Measurement device for defect harmfulness of steel plate
JPH09257443A (en) * 1996-03-22 1997-10-03 Mitsubishi Paper Mills Ltd Online measuring method for substance surface property
JP2004354258A (en) * 2003-05-29 2004-12-16 Toyo Tire & Rubber Co Ltd Method for inspecting sheet member junction section for manufacturing pneumatic tire

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5879240A (en) * 1981-11-06 1983-05-13 Nippon Kogaku Kk <Nikon> Foreign matter detector
JPS5982270A (en) * 1982-11-02 1984-05-12 Hitachi Cable Ltd Device for detecting stored wire amount
JPH04341835A (en) * 1991-05-17 1992-11-27 Bridgestone Corp Skiving apparatus for reclaimed tire
JPH05196581A (en) * 1992-01-20 1993-08-06 Nkk Corp Measurement device for defect harmfulness of steel plate
JPH09257443A (en) * 1996-03-22 1997-10-03 Mitsubishi Paper Mills Ltd Online measuring method for substance surface property
JP2004354258A (en) * 2003-05-29 2004-12-16 Toyo Tire & Rubber Co Ltd Method for inspecting sheet member junction section for manufacturing pneumatic tire

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